题目内容
.
A volunteer is a person willing to help others, one who offers to do something without__________.
A.paying | B.paid | C.being paid | D.to pay |
C
解析
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题目内容
.
A volunteer is a person willing to help others, one who offers to do something without__________.
A.paying | B.paid | C.being paid | D.to pay |
C
解析